88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package lightningpub
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net"
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"net/http"
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"git.devvul.com/asara/gologger"
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"git.devvul.com/asara/well-goknown/config"
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"github.com/jmoiron/sqlx"
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)
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var (
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DB *sqlx.DB
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)
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type lnurlp struct {
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Tag string `json:"tag"`
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Callback string `json:"callback"`
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MaxSendable int64 `json:"maxSendable"`
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MinSendable int64 `json:"minSendable"`
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Metadata string `json:"metadata"`
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AllowsNostr bool `json:"allowsNostr"`
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NostrPubkey string `json:"nostrPubkey"`
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}
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func GetLnurlp(w http.ResponseWriter, r *http.Request) {
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l := gologger.Get(config.GetConfig().LogLevel).With().Str("context", "lightningpub").Logger()
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// normalize domain
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domain, _, err := net.SplitHostPort(r.Host)
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if err != nil {
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domain = r.Host
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}
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name := r.PathValue("name")
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var lnwallet string
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err = DB.QueryRow("SELECT wallet FROM lnwallets WHERE name=$1 AND domain=$2", name, domain).Scan(&lnwallet)
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if err != nil {
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l.Debug().Msgf("user (%s@%s) doesn't exist: %s", name, domain, err.Error())
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http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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return
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}
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//upstreamUrl := fmt.Sprintf("https://%s/api/guest/lnurl_pay/info?k1=%s", domain, lnwallet)
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upstreamUrl := fmt.Sprintf("https://%s/api/guest/lnurl_pay/info?k1=%s", domain, lnwallet)
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upstreamPayload, err := http.Get(upstreamUrl)
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if err != nil {
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l.Debug().Msgf("user (%s@%s) doesn't exist: %s", name, domain, err.Error())
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http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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return
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}
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defer upstreamPayload.Body.Close()
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body, err := ioutil.ReadAll(upstreamPayload.Body)
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if err != nil {
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l.Debug().Msgf("user (%s@%s) doesn't exist: %s", name, domain, err.Error())
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http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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return
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}
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lnurlpReturn := lnurlp{}
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err = json.Unmarshal(body, &lnurlpReturn)
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if err != nil {
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l.Debug().Msgf("user (%s@%s) doesn't exist: %s", name, domain, err.Error())
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http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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return
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}
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m := fmt.Sprintf("[[\"text/plain\", \"ln address payment to a user on the devvul server\"],[\"text/identifier\", \"%s@%s\"]]", name, domain)
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lnurlpReturn.Metadata = m
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ret, err := json.Marshal(lnurlpReturn)
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if err != nil {
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l.Debug().Msgf("user (%s@%s) doesn't exist: %s", name, domain, err.Error())
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http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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return
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}
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l.Debug().Msgf("returning lnwallet for %s@%s", name, domain)
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(ret)
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return
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}
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